Rigveda 2.33.15
ए॒वा ब॑भ्रो वृषभ चेकितान॒ यथा॑ देव॒ न हृ॑णी॒षे न हंसि॑ ।ह॒व॒न॒श्रुन्नो॑ रुद्रे॒ह बो॑धि बृ॒हद् व॑देम वि॒दथे॑ सु॒वीरा॑:॥
evā babhro vṛṣabha cekitāna yathā deva na hṛṇīṣe na haṃsi |havanaśrunno rudreha bodhi bṛhad vadema vidathe suvīrā: ||
Our plain-language meaning of this verse is waiting for scholar review.